summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
index 4d73b45..7c0b12a 100644
--- a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
+++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c
@@ -464,6 +464,16 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int reset)
+ DMC_OFFSET);
pmu = (struct exynos5_power *)EXYNOS5420_POWER_BASE;
+ if (CONFIG_NR_DRAM_BANKS > 4) {
+ /* Need both controllers. */
+ mem->memcontrol |= DMC_MEMCONTROL_NUM_CHIP_2;
+ mem->chips_per_channel = 2;
+ mem->chips_to_configure = 2;
+ } else {
+ /* 2GB requires a single controller */
+ mem->memcontrol |= DMC_MEMCONTROL_NUM_CHIP_1;
+ }
+
/* Enable PAUSE for DREX */
setbits_le32(&clk->pause, ENABLE_BIT);